New small throbber

browser/base/jar.mn

@@ -41,6 +41,8 @@ classic.jar:
         skin/classic/browser/browser.xml              (skin/browser.xml)
         skin/classic/browser/throbber-stopped.gif     (skin/throbber-stopped.gif)
         skin/classic/browser/throbber.gif             (skin/throbber.gif)
+        skin/classic/browser/throbber-small-stopped.gif     (skin/throbber-small-stopped.gif)
+        skin/classic/browser/throbber-small.gif             (skin/throbber-small.gif)
         skin/classic/browser/lock-broken.gif          (skin/lock-broken.gif)
         skin/classic/browser/lock-insecure.gif        (skin/lock-insecure.gif)
         skin/classic/browser/lock-mixed.gif           (skin/lock-mixed.gif)

browser/base/skin/browser.css

@@ -780,7 +780,13 @@ toolbar[iconsize="small"] #history-button[disabled="true"] {
   background-color: transparent;
   list-style-image: url("chrome://browser/skin/throbber-stopped.gif");
 }
-
 #navigator-throbber[busy="true"] {
   list-style-image: url("chrome://browser/skin/throbber.gif");
 }
+
+toolbar[iconsize="small"] #navigator-throbber {
+  list-style-image: url("chrome://browser/skin/throbber-small-stopped.gif");
+}
+toolbar[iconsize="small"] #navigator-throbber[busy="true"] {
+  list-style-image: url("chrome://browser/skin/throbber-small.gif");
+}